<div contenteditable=true><span contenteditable=false></span><b></b>ABC<span id="sample"></span></div>
<script>
var sample = document.getElementById('sample');
window.getSelection().collapse(sample, sample.childNodes.length);
document.execCommand("Indent");
document.body.textContent = 'PASS; NOT CRASHED';
if (window.testRunner)
    testRunner.dumpAsText();
</script>
